/*
Copyright 2007-2010 Stefano Chizzolini. http://www.pdfclown.org
Contributors:
* Stefano Chizzolini (original code developer, http://www.stefanochizzolini.it)
This file should be part of the source code distribution of "PDF Clown library"
(the Program): see the accompanying README files for more info.
This Program is free software; you can redistribute it and/or modify it under the terms
of the GNU Lesser General Public License as published by the Free Software Foundation;
either version 3 of the License, or (at your option) any later version.
This Program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY,
either expressed or implied; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the License for more details.
You should have received a copy of the GNU Lesser General Public License along with this
Program (see README files); if not, go to the GNU website (http://www.gnu.org/licenses/).
Redistribution and use, with or without modification, are permitted provided that such
redistributions retain the above copyright notice, license and disclaimer, along with
this list of conditions.
*/
package org.pdfclown.documents.contents.objects;
import java.awt.geom.AffineTransform;
import java.util.List;
import org.pdfclown.PDF;
import org.pdfclown.VersionEnum;
import org.pdfclown.documents.contents.ContentScanner.GraphicsState;
import org.pdfclown.objects.PdfDirectObject;
import org.pdfclown.objects.PdfNumber;
import org.pdfclown.objects.PdfReal;
/**
'Set the text matrix' operation [PDF:1.6:5.3.1].
<p>The specified matrix is not concatenated onto the current text matrix, but replaces it.</p>
@author Stefano Chizzolini (http://www.stefanochizzolini.it)
@since 0.0.4
@version 0.1.0
*/
@PDF(VersionEnum.PDF10)
public final class SetTextMatrix
extends Operation
{
// <class>
// <static>
// <fields>
public static final String Operator = "Tm";
// </fields>
// </static>
// <dynamic>
// <constructors>
public SetTextMatrix(
AffineTransform value
)
{
this(
value.getScaleX(),
value.getShearY(),
value.getShearX(),
value.getScaleY(),
value.getTranslateX(),
value.getTranslateY()
);
}
public SetTextMatrix(
double a,
double b,
double c,
double d,
double e,
double f
)
{
super(
Operator,
new PdfReal(a),
new PdfReal(b),
new PdfReal(c),
new PdfReal(d),
new PdfReal(e),
new PdfReal(f)
);
}
public SetTextMatrix(
List<PdfDirectObject> operands
)
{super(Operator, operands);}
// </constructors>
// <interface>
// <public>
public AffineTransform getValue(
)
{
return new AffineTransform(
((PdfNumber<?>)operands.get(0)).getNumberValue(),
((PdfNumber<?>)operands.get(1)).getNumberValue(),
((PdfNumber<?>)operands.get(2)).getNumberValue(),
((PdfNumber<?>)operands.get(3)).getNumberValue(),
((PdfNumber<?>)operands.get(4)).getNumberValue(),
((PdfNumber<?>)operands.get(5)).getNumberValue()
);
}
@Override
public void scan(
GraphicsState state
)
{
state.setTlm(getValue());
state.setTm((AffineTransform)state.getTlm().clone());
}
// </public>
// </interface>
// </dynamic>
// </class>
}